3130945665 has 16 divisors (see below), whose sum is σ = 5010209088. Its totient is φ = 1669605696.

The previous prime is 3130945663. The next prime is 3130945667. The reversal of 3130945665 is 5665490313.

It is an interprime number because it is at equal distance from previous prime (3130945663) and next prime (3130945667).

It is not a de Polignac number, because 3130945665 - 2¹ = 3130945663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130945663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191139 + ... + 206871.

It is an arithmetic number, because the mean of its divisors is an integer number (313138068).

Almost surely, 2^3130945665 is an apocalyptic number.

It is an amenable number.

3130945665 is a deficient number, since it is larger than the sum of its proper divisors (1879263423).

3130945665 is a wasteful number, since it uses less digits than its factorization.

3130945665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29008.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 3130945665 is about 55954.8538109072. The cubic root of 3130945665 is about 1462.9354939479.

The spelling of 3130945665 in words is "three billion, one hundred thirty million, nine hundred forty-five thousand, six hundred sixty-five".